Is 421131 a prime number?

421 131 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 421 131 is about 648.946.

Thus, the square root of 421 131 is not an integer, and therefore 421 131 is not a square number.

The square of a number (here 421 131) is the result of the product of this number (421 131) by itself (i.e., 421 131 × 421 131); the square of 421 131 is sometimes called "raising 421 131 to the power 2", or "421 131 squared".

The square of 421 131 is 177 351 319 161 because 421 131 × 421 131 = 421 131² = 177 351 319 161.

As a consequence, 421 131 is the square root of 177 351 319 161.

421 131 is a number with 6 digits.

The multiples of 421 131 are all integers evenly divisible by 421 131, that is all numbers such that the remainder of the division by 421 131 is zero. There are infinitely many multiples of 421 131. The smallest multiples of 421 131 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 421 131 too, since 0 × 421 131 = 0
• 421 131: indeed, 421 131 is a multiple of itself, since 421 131 is evenly divisible by 421 131 (we have 421 131 / 421 131 = 1, so the remainder of this division is indeed zero)
• 842 262: indeed, 842 262 = 421 131 × 2
• 1 263 393: indeed, 1 263 393 = 421 131 × 3
• 1 684 524: indeed, 1 684 524 = 421 131 × 4
• 2 105 655: indeed, 2 105 655 = 421 131 × 5
• etc.

• Preceding numbers: …421 129, 421 130
• Following numbers: 421 132, 421 133…

Nearest numbers from 421 131

• Preceding prime number: 421 123
• Following prime number: 421 133

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• 421 131 est-il un nombre premier ?